OF ARTS AND SCIENCES. 2T5 



TALINOPSIS, Gray. Mexican specimens of T. fnitesccns, col- 

 lected by Pringle, Parry & Palmer, and SchafFner, well confirm the 

 characters of this genus, which has no near relative on the American 

 continent except Grahamia in Chili. 



TALINUM, Adans. Although diverse in habit, the genus is very 

 well marked. 



T. PATENS, Willd., is our only flat-leaved and amply paniculate spe- 

 cies. We have in Texas and Arizona both the rose-colored and the 

 yellow-flowered forms. T. spathulatum, Engelm., is of the latter, and 

 answers to T. rejiexum, Cav. ; and Var. sarmentosum {T. sarme7ito- 

 sum, Engelm.) is a procumbent form of it. 



T. LiNEARE, HBK., a flattish-leaved and axillary-flowered fleshy- 

 frutescent species, the Calandrinia luberosa, Benth. PI. Hartw. (in 

 which probably the calyx falls from the mature capsule), is doubtless 

 the name to be adopted for the Texano-Arizonian and Mexican T. au- 

 rantiacuin, Engelm. in Pi. Lindh., PI. Wright., &c. 



T. BREViFOLiUM, Torr. in Sitgreaves Rep. 156, is a little known dwarf 

 species found on the Colorado Chiquito, in N, W. New Mexico ; and 

 to this (although they have not been compared) must belong T. hrachy- 

 podiim, Watson, in Proc. Am. Acad. xx. 355, which the Lemmous 

 scantily collected in the same district. 



The following species are of the section of which T. teretifoUum is 

 the type, having terete linear leaves, and flowers in terminal peduncu- 

 late and commonly scapiform naked cymes. There is a tendency in 

 the capsule of all of them to a separation of the filiform sutures from 

 the valves, the former persisting as a kind of replum. 



T. HUMiLE, Greene, in Bot. Gazette, vi. 183, thus far found only by 

 the founder of the species on the Pinos Altos Mountains in New Mex- 

 ico, is known by the short peduncle of its 5-20-flowered cyme, which 

 is surpassed by the leaves, and by the " light yellow petals changing 

 to orange." 



The following have slender scapiform peduncles much surpassing 

 the leaves. 



T. SPiNESCENS, Torr. in Wilkes Pacif. Ex. Exp. xvii. 250. Sjjeci- 

 raens from Brandegee and Suksdorf have made this species better known. 

 The short and fleshy caudex is beset with little subulate spines, which 

 are the indurated and persistent midribs of the older (half-inch long) 

 leaves, thus formed in the same way as those of Fouqxderia. The 

 stamens are 20 or 30 in number, and the petals rose-red, as also in 

 the two following species, viz. : — 



T. TERETiFOLiUM, Pursli., our well-kuowu Eastern species, and 



